<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>条件渲染-练习</title>
    <style></style>
  </head>
  <body>
    <div id="root"></div>

    <script src="./js/react.development.js"></script>
    <script src="./js/react-dom.development.js"></script>
    <script src="./js/babel.min.js"></script>

    <script type="text/babel">
      //变量
      let isLogin = true; // 是否登录
      // 创建虚拟 DOM 对象
      let vdom = <div style={{textAlign: 'right'}}>
        {
          isLogin ? <button>进入我的文件</button> : <div><button>登录</button><button>免费注册</button></div>
        }
        </div>;

      //渲染
      ReactDOM.render(vdom, document.querySelector('#root'))

      /**
       * let user = {
       *    name: 'zhangsan',
       *    isVip: true,
       *    vipLevel: 3
       * }
       */

    </script>
  </body>
</html>
